﻿using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class selectmodel : System.Web.UI.Page
{
    protected string source;
    protected string channel;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (string.IsNullOrEmpty(Request.QueryString["source"]))
                source = Request.QueryString["source"];
            if (string.IsNullOrEmpty(Request.QueryString["channel"]))
                channel = Request.QueryString["channel"];
        }
    }
}